stm32F103-RT-Thread定时器

定时器(timer)

创建两个动态定时器，一个是单次定时，一个是周期性定时,并让周期定时器运行一段时间后停止运行 硬件定时器，定时器的回调函数将在系统时钟中断里调用。 软件定时器，定时器的回调函数将在定时器线程中调用。

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#include "board.h"
#include "rtthread.h"


static rt_timer_t timer_1;
static rt_timer_t timer_2;
static int count_c = 0;
static int short_c = 0;


static void timeout_1(void *parameter);
static void timeout_2(void *parameter);

/* timer_1 is run 10 times then stop  */
static void timeout_1(void *parameter){
    
    rt_kprintf("periodic timer_[1] is start. --> count is [%d]\n",count_c);
    if(count_c++>=90){
        rt_timer_stop(timer_1);
        rt_kprintf("timer_[1] was stoped!\n");
    }
}

static void timeout_2(void *parameter){
    short_c++;
    
    rt_kprintf("short timer_[2] is start. -->short is [%d]\n", short_c);
}

int main(void)
{
    // create timer_1 and flag is periodic model
    timer_1 = rt_timer_create("timer1", timeout_1,RT_NULL,90,RT_TIMER_FLAG_PERIODIC);
    
    // create timer_2 and flag is short model(count only once then stop)
    timer_2 = rt_timer_create("timer2", timeout_2, RT_NULL, 30, RT_TIMER_FLAG_PERIODIC);

    if(timer_1!=RT_NULL){
        rt_timer_start(timer_1);
    }

    if (timer_2 != RT_NULL)
    {
        rt_timer_start(timer_2);
    }

    return 0;
}